package top.canyue.word_range.pojo.dto;
import com.alibaba.fastjson.annotation.JSONField;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.SimpleGrantedAuthority;
import org.springframework.security.core.userdetails.UserDetails;
import top.canyue.word_range.pojo.po.User;

import java.util.*;

@Data
@AllArgsConstructor
@NoArgsConstructor
public class LoginUser implements UserDetails {

    private User user;

    private List<String> permissions;

    @JSONField(serialize = false)   //不序列化到Redis
    private Set<GrantedAuthority> authorities = new HashSet<>();

    public LoginUser(User user,List<String> permissions) {
        this.user = user;
        this.permissions = permissions;
    }

    @Override
    public Collection<? extends GrantedAuthority> getAuthorities() {
        if (authorities.isEmpty()){
            for (String permission : permissions) {
                authorities.add(new SimpleGrantedAuthority(permission));
            }
        }
        return authorities;
    }

    @Override
    public String getPassword() {
        return user.getPasswordHash();
    }

    @Override
    public String getUsername() {
        return user.getId();
    }

    @Override
    public boolean isAccountNonExpired() {
        return true;
    }

    @Override
    public boolean isAccountNonLocked() {
        return true;
    }

    @Override
    public boolean isCredentialsNonExpired() {
        return true;
    }

    @Override
    public boolean isEnabled() {
        return user.getDeleted() == 0;
    }
}

